Squashed '.vim/bundle/session/' content from commit ca2e72f

git-subtree-dir: .vim/bundle/session
git-subtree-split: ca2e72f5ace2eeff48fc1619b0fd5eedf4ba00be
Added Java editing mode

This commit adds an editing mode for Java source files, which is similar
to the C/C++ mode with a few tweaks. Also updated my Grep command to be
a little more intuitive (at the expense of always running relative to
the working directory).